117116642 has 8 divisors (see below), whose sum is σ = 176957676. Its totient is φ = 58130752.

The previous prime is 117116633. The next prime is 117116647. The reversal of 117116642 is 246611711.

It can be written as a sum of positive squares in 2 ways, for example, as 100380361 + 16736281 = 10019^2 + 4091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (117116647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213443 + ... + 213990.

Almost surely, 2^117116642 is an apocalyptic number.

117116642 is a deficient number, since it is larger than the sum of its proper divisors (59841034).

117116642 is a wasteful number, since it uses less digits than its factorization.

117116642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427572.

The product of its digits is 2016, while the sum is 29.

The square root of 117116642 is about 10822.0442615986. The cubic root of 117116642 is about 489.2598042588.

The spelling of 117116642 in words is "one hundred seventeen million, one hundred sixteen thousand, six hundred forty-two".